% -*- coding: utf-8 -*- % ---------------------------------------------------------------------------- % Author: Jianrui Lyu % Website: https://github.com/lvjr/concrete % License: The LaTeX Project Public License 1.3c % ---------------------------------------------------------------------------- \ProvidesPackage{beamerthemecmobius}[2024-01-21 v2024B Beamer Theme cMobius] \makeatletter % compatible with old versions of beamer \providecommand{\beamer@endinputifotherversion}[1]{} \RequirePackage{tikz,adjustbox} \usetikzlibrary{decorations.pathmorphing,calc} \mode \setbeamersize{text margin left=8mm,text margin right=8mm} %% ----------------- background canvas and background ---------------- \defbeamertemplate{background}{mobius}{% \begin{tikzpicture} \useasboundingbox (0,0) rectangle (\paperwidth,\paperheight); \foreach \i in {0,16,...,128} \foreach \j in {0,16,...,96} { \path[draw=purple94!90!black] (\i mm,\j mm) circle (16mm); } \end{tikzpicture}% } % need "text badly ragged" option for correct space skips % see http://tex.stackexchange.com/a/132748/8956 \gdef\my@background@title{% \begin{tikzpicture} \useasboundingbox (0,0) rectangle (\paperwidth,\paperheight); \path[fill=fcolor,opacity=0.4] (0,0.3\paperheight) rectangle (\paperwidth,0.8\paperheight); \path[draw=dcolor,thick] (0,0.3\paperheight) -- (\paperwidth,0.3\paperheight) (0,0.8\paperheight) -- (\paperwidth,0.8\paperheight); \node[text width=0.9\paperwidth,text badly ragged] at (0.5\paperwidth,0.55\paperheight) {% \begin{minipage}[c][0.6\paperheight]{0.9\paperwidth} \centering \usebeamerfont{title}\usebeamercolor[fg]{title}\inserttitle \ifx\insertsubtitle\@empty\else \\[5pt]\usebeamerfont{subtitle}\usebeamercolor[fg]{subtitle} \insertsubtitle \fi \end{minipage} }; \path[fill=fcolor,draw=dcolor,thick,opacity=0.4] (0.15\paperwidth,0) -- (0.5\paperwidth,0.35\paperheight) -- (0.85\paperwidth,0); \node[text width=0.9\paperwidth,text badly ragged] at (0.5\paperwidth,0.15\paperheight) {% \begin{minipage}[c][0.25\paperheight]{0.9\paperwidth} \centering \usebeamerfont{author}\usebeamercolor[fg]{author}\insertauthor\\[3pt] \usebeamerfont{institute}\usebeamercolor[fg]{institute}\insertinstitute\\[3pt] \usebeamerfont{date}\usebeamercolor[fg]{date}\insertdate \end{minipage} }; \end{tikzpicture} } \gdef\my@background@section{% \begin{tikzpicture} \useasboundingbox (0,0) rectangle (\paperwidth,\paperheight); \path[fill=fcolor,thick,opacity=0.4] (0,0.35\paperheight) rectangle (\paperwidth,0.75\paperheight); \path[draw=dcolor,thick] (0,0.35\paperheight) -- (\paperwidth,0.35\paperheight) (0,0.75\paperheight) -- (\paperwidth,0.75\paperheight); \node[text width=\textwidth,text badly ragged] at (0.5\paperwidth,0.55\paperheight) {% \begin{minipage}[c]{\textwidth} \usebeamertemplate{section page content}% \end{minipage} }; \end{tikzpicture} } %% -------------------------- title page ----------------------------- \defbeamertemplate{title page}{mobius}{% \nointerlineskip \begin{adjustbox}{width=\paperwidth,center}% \my@background@title \end{adjustbox}% } %% ----------------------- section and subsection -------------------- % create new template for section \defbeamertemplate{section}{simple}{% \insertsectionnumber.\hspace*{1ex}\insertsection% } \AtBeginSection[]{\begin{frame}[plain]{\sectionpage}\end{frame}} \defbeamertemplate{section page}{mobius}{% \nointerlineskip \begin{adjustbox}{width=\paperwidth,center}% \my@background@section \end{adjustbox}% } \defbeamertemplate{section page content}{simple}{ \begin{beamercolorbox}[wd=\textwidth,center]{section title}% \usebeamerfont{section title} \usebeamertemplate{section}% \end{beamercolorbox} } %% ---------------------- headline and footline ---------------------- \newif\ifmy@subsection \my@subsectionfalse \newcommand{\my@sectionentry}[5]{% \hfill \ifnum\c@section=#1% \usebeamercolor{footline highlight}% \else% \usebeamercolor{footline}% \fi% \hyperlink{Navigation#3}{% \colorbox{bg}{% \hspace{0.2em}\rule[-1ex]{0pt}{3.25ex}\color{fg}#2\hspace{0.2em}% }% }% \let\slideentry=\my@slideentry } \newcommand{\my@subsectionentry}[5]{\my@subsectiontrue} \newcommand{\my@slideentry}[6]{% \ifmy@subsection \usebeamercolor{footline}% \def\my@box{$\circ$}% \ifnum\c@section=#1% \usebeamercolor{footline highlight}% \ifnum\c@subsection=#2% \def\my@box{$\bullet$}% \fi \fi \beamer@link(#4){% \colorbox{bg}{% \rule[-1ex]{0pt}{3.25ex}\hspace{0.1em}\color{fg}\my@box\hspace{0.1em}% }% }% \my@subsectionfalse \fi } \defbeamertemplate{footline}{mobius}{% % default height is 0.4pt, which is ignored by adobe reader, so we increase it by 0.2pt {\color{dcolor}\hrule height 0.6pt}% %\pgfsetfillopacity{0.6}% \begin{beamercolorbox}[wd=\paperwidth,ht=2.25ex,dp=1ex]{footline}% \usebeamerfont{footline}% \kern\beamer@leftmargin \setlength{\fboxsep}{0pt}% \let\sectionentry=\my@sectionentry \let\beamer@subsectionentry=\my@subsectionentry \hskip 0pt plus -1fill\dohead \hskip 0pt plus 9fill\relax \Acrobatmenu{GoToPage}{\insertframenumber{}/\inserttotalframenumber}% \kern\beamer@rightmargin \end{beamercolorbox}% } %% ------------------------- frame title ----------------------------- \defbeamertemplate{frametitle}{simple}[1][]{% \nointerlineskip \begin{beamercolorbox}[wd=\paperwidth,sep=0pt,leftskip=\beamer@leftmargin,% rightskip=\beamer@rightmargin,#1]{frametitle} \usebeamerfont{frametitle}% \rule[-3.6mm]{0pt}{12mm}\insertframetitle\rule[-3.6mm]{0pt}{12mm}\par \end{beamercolorbox} } %% --------------------------- font theme ---------------------------- \setbeamerfont{title}{size=\LARGE} \setbeamerfont{subtitle}{size=\large} \setbeamerfont{author}{size=\large} \setbeamerfont{institute}{size=\normalsize} \setbeamerfont{date}{size=\normalsize} \setbeamerfont{section in toc}{size=\Large} \setbeamerfont{footline}{size=\scriptsize} \setbeamerfont{frametitle}{size=\large} \setbeamerfont{block title}{size=\normalsize} \usefonttheme{professionalfonts} %\usepackage{arev} %\setlength{\parskip}{5pt plus 1pt minus 1pt} %% ---------------------------- color theme -------------------------- % always use rgb colors in pdf files \substitutecolormodel{hsb}{rgb} \definecolor{red69}{Hsb}{0,0.6,0.9} \definecolor{yellow69}{Hsb}{60,0.6,0.9} \definecolor{yellow99}{Hsb}{60,0.9,0.9} \definecolor{green69}{Hsb}{120,0.6,0.9} \definecolor{azure53}{Hsb}{210,0.5,0.3} \definecolor{blue77}{Hsb}{240,0.7,0.7} \definecolor{blue88}{Hsb}{240,0.8,0.8} \definecolor{blue97}{Hsb}{240,0.9,0.7} \definecolor{purple94}{Hsb}{330,0.9,0.4} \definecolor{purple63}{Hsb}{320,0.6,0.3} \colorlet{text1}{white} \colorlet{back1}{blue77} \colorlet{accent1}{yellow69} \colorlet{accent2}{green69} \colorlet{accent3}{black} \colorlet{filler1}{accent1!40!back1} \colorlet{filler2}{accent2!40!back1} \colorlet{filler3}{accent3!40!back1} \colorlet{dcolor}{white} \colorlet{fcolor}{azure53} \setbeamercolor{normal text}{bg=purple94,fg=white} \setbeamercolor{structure}{fg=yellow99} \setbeamercolor{local structure}{fg=accent2} \setbeamercolor{footline}{bg=purple63,fg=white} \setbeamercolor{footline highlight}{parent=footline,bg=filler2} \setbeamercolor{navigation symbols}{bg=purple94} \setbeamercolor{navigation symbols dimmed}{fg=purple94} \setbeamercolor{title}{use=structure,fg=structure.fg} \setbeamercolor{subtitle}{fg=white} \setbeamercolor{author}{use=local structure,fg=local structure.fg} \setbeamercolor{institute}{fg=white} \setbeamercolor{date}{fg=white} \setbeamercolor{section in toc}{parent=title} \setbeamercolor{section in toc shaded}{parent=normal text} \setbeamercolor{frametitle}{parent=title} \setbeamercolor{block title}{fg=accent1,bg=back1!50!gray} \setbeamercolor{block body}{bg=back1!50!lightgray} \setbeamercolor{block title example}{fg=accent2,bg=back1!50!gray} \setbeamercolor{block body example}{bg=back1!50!lightgray} \setbeamercolor{block title alerted}{fg=accent3,bg=back1!50!gray} \setbeamercolor{block body alerted}{bg=back1!50!lightgray} %% ------------------------ select templates ------------------------- \setbeamertemplate{background canvas}[default] \setbeamertemplate{background}[mobius] \setbeamertemplate{title page}[mobius] \setbeamertemplate{section page}[mobius] \setbeamertemplate{section page content}[simple] \setbeamertemplate{section}[simple] \setbeamertemplate{section in toc}[sections numbered] \setbeamertemplate{section in toc shaded}[default][100] \setbeamertemplate{navigation symbols}{} \setbeamertemplate{footline}[mobius] \setbeamertemplate{frametitle}[simple] \setbeamertemplate{itemize items}[default] \setbeamertemplate{enumerate items}[default] %% ----------------------- handout mode ------------------------------ \mode{ \setbeamertemplate{background canvas}{} \setbeamertemplate{background}{} \colorlet{text1}{black} \colorlet{back1}{white} \colorlet{accent1}{purple94} \colorlet{accent2}{teal!70!black} \colorlet{accent3}{blue77} \colorlet{dcolor}{gray} \colorlet{fcolor}{white} \setbeamercolor{normal text}{fg=black, bg=white} \setbeamercolor{structure}{fg=purple94} \setbeamercolor{title}{fg=purple94} \setbeamercolor{subtitle}{fg=black} \setbeamercolor{author}{fg=accent2} \setbeamercolor{institute}{fg=black} \setbeamercolor{date}{fg=black} \setbeamercolor{section in toc}{fg=purple94} \setbeamercolor{section in toc shaded}{fg=lightgray} \setbeamercolor{section title}{fg=purple94} \setbeamercolor{footline}{bg=white,fg=black} \setbeamercolor{footline highlight}{fg=accent2,bg=white} } \mode \makeatother